22221102023502 has 8 divisors (see below), whose sum is σ = 44442204047016. Its totient is φ = 7407034007832.

The previous prime is 22221102023387. The next prime is 22221102023503. The reversal of 22221102023502 is 20532020112222.

It is a sphenic number, since it is the product of 3 distinct primes.

22221102023502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221102023503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851758501953 + ... + 1851758501964.

It is an arithmetic number, because the mean of its divisors is an integer number (5555275505877).

Almost surely, 2^{22221102023502} is an apocalyptic number.

22221102023502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22221102023502 is a wasteful number, since it uses less digits than its factorization.

22221102023502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703517003922.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22221102023502 its reverse (20532020112222), we get a palindrome (42753122135724).

The spelling of 22221102023502 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred two million, twenty-three thousand, five hundred two".